16180380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89891}}^1$

素因数の和:89906

約数の個数: 36

約数和(自身を含む): 49081032

約数和(自身を除く): 32900652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 89891, 179782, 269673, 359564, 449455, 539346, 809019, 898910, 1078692, 1348365, 1618038, 1797820, 2696730, 3236076, 4045095, 5393460, 8090190, 16180380]

約数ペア:

[(1, 16180380), (2, 8090190), (3, 5393460), (4, 4045095), (5, 3236076), (6, 2696730), (9, 1797820), (10, 1618038), (12, 1348365), (15, 1078692), (18, 898910), (20, 809019), (30, 539346), (36, 449455), (45, 359564), (60, 269673), (90, 179782), (180, 89891)]